Mercedes-Benz SLS AMG Gullwing In Detail


In the run up to the SLS AMG's world premiere at the Frankfurt Show and following a series of internet leaks the past few days, Mercedes-Benz today unleashed a broad set of photos as well as more detailed information on its gullwinged-supercar. Before we get into any other details, let us tell you that the 571 horsepower SLS AMG is scheduled to be launched onto the market in Spring 2010 carrying a base price in Germany of €177,310, which comes to around $257,500 US with the current exchange rates.
The new 'super sports car', as Mercedes-Benz likes to describe the SLS AMG, is clearly inspired by the one of the most beautiful and iconic cars ever to hit the road, the 1950s 300 SL Gullwing. Evidently, Mercedes did not go for a full retro look but instead used the 300SL as an inspiration to design a supercar that embodies the firm's classic styling traits without looking like a beefed-up SL for example - yes, we're talking about the SLR McLaren.
The design highlight is without doubt the gullwing doors that swing up by 70 degrees while another styling cue that harks back to the 300SL is the wide radiator grille with the large Mercedes-Benz star and the wing-like fin.


The SLS AMG's proportions are overly aggressive with the nearly two-meters or 79-inches long bonnet (!), the low and far back positioned cabin and the stubby tail along with the long wheelbase and wide tracks offering the car a menacing stance.


"It is more than just the exclusive gullwing doors that make the design of the new Mercedes-Benz SLS AMG so special," said Volker Mornhinweg, head of Mercedes-AMG GmbH. "Our aim with this interpretation is to create the classic car of the future and put the most beautiful sports car of the 21st century on the road. Another of our goals is to create a new design icon that, like other Mercedes-Benz models such as the CLS and the SL, will help shape future models of the Mercedes-Benz brand."

We'd like to see the SLS AMG up close before we make up our mind on the exterior, but at least from the pictures, the car's weakest design points appear to be the awkward-looking B-column and the rear-end styling which is somewhat less impressive.

The SLS AMG's interior design and layout is rather simple with some of the switchgear being borrowed from other Mercedes models like the E-Class. The cockpit is however dressed in high quality materials such as nappa leather, metal detailing, and, as an option, real carbon applique with buyers being able to choose from five different leather colors including black, classic red, sand, porcelain and light brown.

Moving on to the technical details, both the chassis and body of the SLS AMG are made of aluminium resulting to a curb weight of 1,620 kilograms (3,571 lbs) which is close to 150 kg (330 lbs) less than the old SLR McLaren. The weight distribution is 47 per cent in the front and 53 per cent in the rear.

At the heart of Merc's supercar is a front/mid mounted 6.3-liter V8 engine derived from other familiar AMG models. The naturally aspirated engine has been reworked with a new intake system, different valve gear and camshafts as well as various other upgrades resulting to an output of 571 hp at 6,800 rpm and a maximum torque of 650Nm (479 lb-ft) at 4,750 rpm.

That power is sent to the back through a newly developed AMG dual-clutch seven-speed sports transmission located at the rear in the transaxle position. The driver has a choice of four different driving programmes: C (Controlled Efficiency), S (Sport), S+ (Sport plus) and M (Manual), as well as a RACE START function.

Mercedes says that the gullwing supercar accelerates from 0 to 100km.h (62 mph) in just 3.8 seconds and has an electronically limited top speed of 317km/h or 197 mph.

Even in today's 'green' world, we seriously doubt that any of the potential buyers will care, but for the record, the SLS AMG returns a combined fuel consumption of 13.2lt per 100km that comes to around 17.8 mpg US or 21.4 mpg UK.

Other features include the double wishbone suspension, the rack-and-pinion steering gear, which Mercedes says delivers a "consistently direct steering feel" as well a 3-stage ESP
that gives the driver a choice of the three modes "ESP ON", "ESP SPORT" and "ESP OFF" at the push of a button. The SLS AMG also gets lightweight ceramic brakes and special high-performance sport tires in sizes 265/35 R 19 in the front, and 295/30 R 20 in the rear.


















Posted on Thursday, January 07, 2010 / 0 nhận xét / Read More

Lamborghini Reventon Roadster Photos

With Mercedes and McLaren battling for supercar supremacy at the Frankfurt Motor Show, the long-rumored Lamborghini Reventón Roadster had become a bit of an afterthought - until now.

Like the original Reventón coupe, which debuted in Frankfurt two years ago, the roadster redefines style, elegance, and insanity. Designed to be a stealth fighter for the road, the Reventón boasts jet-inspired carbon fiber body panels and aggressive 18-inch wheels. Inside, the roadster is decked out in alcantara upholstery and carbon fiber trim.

While details are limited, the roadster will likely be powered by a 6.5-liter V12 engine with 650 HP (478 kW) and 660 Nm (487 lb-ft) of torque. Backed up by a six-speed e-gear transmission and standard all-wheel drive, the Reventón will accelerate from 0 to 100 km/h in just 3.4 seconds. If you keep your foot planted, the roadster will top out somewhere in the neighborhood of 340 km/h (211 mph).

Production will likely be limited to 20 units and prices are expected to start at 1.2 million Euros ($1,750,000 USD).





Posted on Tuesday, December 29, 2009 / 0 nhận xét / Read More

Gallery: 2010 Opel Astra, First Official Photos of Hatch

As expected, the new Astra's exterior styling echoes that of the well received Insignia with details such as the shape of the headlamps, the roofline and the concave surfacing on the doors all pointing towards the larger Opel. Overall, the new Astra hatch looks sportier and more dynamic in an upscale sort of way compared to the current generation model.

While Opel has yet to release photos of the interior, previous spy shots reveal that the Astra's interior is heavily inspired from the Insignia with the dashboard featuring four deeply positioned instrument dials in front of the driver and a swoopy central console with an elevated lower part.

All three variants of the Astra are based on GM's new front-wheel-drive Delta platform that is also found on the Chevrolet Cruze and Volt models. However, from what we learnt, the chassis has been modified by Opel's engineers to offer more dynamic handling to Opel's trio.

The 2010 Astras will be available with numerous diesel and gasoline powertrains including GM's an all-new 1.4-liter turbocharged petrol engine that will be offered with outputs ranging from 120 hp to 140 hp and torque values between 175 and 200 Nm.

The 5-door hatchback versions of the newly developed Astra will find their way to Opel showrooms across Europe by the end of the year, while the GTC coupe and the Estate variants should follow by mid-2010.





Posted on Tuesday, December 29, 2009 / 0 nhận xét / Read More

BMW Vision Efficient Dynamics Concept: 356HP Diesel-Electric Hybrid

This is BMW's vision of the sports car of the future; a lightweight 2+2 coupe with plug-in hybrid drive technology that promises to offer 'M' car-level performance and driving dynamics with Toyota Prius-like fuel economy and emissions figures. Set to take center stage at the Bavarian automaker's stand at the 2009 Frankfurt Show in September, the Vision EfficientDynamcis showcases an array of technologies many of which are said to be planned for use on upcoming BMW, MINI and Rolls Royce models.

At the heart of the concept is a high-performance diesel-electric hybrid system that combines a small diesel engine with two electric motors and a newly-developed version of BMW's double-clutch transmission (DCT) with six speeds.

Mounted in front of the rear axle (behind the back seats), the 1.5-liter three-cylinder turbo diesel engine that drives the rear wheels delivers an output of 163HP and 214 lb-ft of torque. The compact-sized electric motor that is positioned between the diesel engine and the DCT produces 33HP and 214 lb-ft but can supply momentarily up to 51HP.

The second electric motor is situated on the front axle offering continuous output of 80HP and peak torque of 162 lb-ft but it can produce 112HP for a period of up to 30 seconds, and, for a 10-second "burst," 139HP.

The overall system output is 356 horsepower and 800Nm or 590 lb-ft of peak torque. The arrangement of the two motors and diesel engine allows all-wheel drive when driving in all-electric mode.

BMW says that the Vision EfficientDynamics concept can accelerate to 100km/h (62mph) in 4.8 seconds and has an electronically governed top speed of 250km/h or 155mph. The Bavarian automaker claims that average fuel consumption in the EU test cycle is a mere 3.76 lt/100 km which is equal to 62.6 mpg US, and the CO2 emission rating are just 99 grams per kilometer - however, let's not forget that we're talking about a concept car...

The electric motors are powered by a lithium-polymer battery pack that collects energy either from regenerative braking or by plugging the car into the mains. When connected to a standard EU power outlet (220 V, 16 Amps), the system requires a maximum of 2 and-a-half hours to fully charge and 44 minutes if there's a source with higher voltage and amperage (380 V, 32 Amps).

The concept can run completely under electric power, with the turbodiesel engine alone, or a combination of both power sources. The diesel engine offers a range of around 650 km or 430 miles while in all-electric mode, the range is 50 km or 31 miles. The overall range is close to 700 km or 431 miles.

As a technological showcase, the Vision EfficientDynamics concept car features an array of innovations including a thermo-electric generator in the exhaust system that converts thermal energy contained in the exhaust emissions into electrical energy which is then used to power features such as the steering and air conditioning.

The chassis and suspension of the 2+2 coupe are made out of aluminum while the roof and the outer skin on the Gullwing-style doors are made almost completely of a special polycarbonate glass that automatically darkens as a function of the light shining on the car.

The overall weight of the coupe that measures 4.60m (181.1-in.) in length, 1.90m (74.8-in.) in width and 1.24m (48.8-in.) in height, is 1,395kg or 3,076 pounds. BMW says that the car can carry a maximum load of 445kg or 981 pounds and has a luggage capacity of 150 liters or 5.3 cu ft.

Created under BMW Group design boss Adrian van Hooydonk, the concept's shape was largely dictated by aerodynamics with the company claiming a drag coefficient of just 0.22. As for the interior, BMW says that the focus was likewise on both the "fascinating driving experience" and, in particular, "on transparent, hands-on technology and maximum reduction of weight."






















Posted on Monday, December 21, 2009 / 0 nhận xét / Read More
 
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